According to P4 Väst, it must be an A-tractor, something that SOS alarm can not confirm at the moment.

- The road is still closed, there are still some units left on the site, says Sören Gustavsson at SOS alarm.

Two of the people, both men, have been taken to the emergency room in Trollhättan with serious injuries.

At the same time, the situation is assessed as "stable."

The damage situation for the third person is currently unclear.

Several units were sent to the scene and the road was closed.

Photo: Robert Betzehag / Rescue Photo